1 /*
2  * Copyright 2012 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #ifndef SkThreadUtils_DEFINED
9 #define SkThreadUtils_DEFINED
10 
11 #include "SkTypes.h"
12 
13 class SkThread : SkNoncopyable {
14 public:
15     typedef void (*entryPointProc)(void*);
16 
17     SkThread(entryPointProc entryPoint, void* data = NULL);
18 
19     /**
20      * Non-virtual, do not subclass.
21      */
22     ~SkThread();
23 
24     /**
25      * Starts the thread. Returns false if the thread could not be started.
26      */
27     bool start();
28 
29     /**
30      * Waits for the thread to finish.
31      * If the thread has not started, returns immediately.
32      */
33     void join();
34 
35     /**
36      * SkThreads with an affinity for the same processor will attempt to run cache
37      * locally with each other. SkThreads with an affinity for different processors
38      * will attempt to run on different cores. Returns false if the request failed.
39      */
40     bool setProcessorAffinity(unsigned int processor);
41 
42 private:
43     void* fData;
44 };
45 
46 #endif
47